$ git clone -n https://src.fedoraproject.org/rpms/xfce4-datetime-plugin.git /var/lib/mock/f31-build-60830-28786/root/chroot_tmpdir/scmroot/xfce4-datetime-plugin
Cloning into '/var/lib/mock/f31-build-60830-28786/root/chroot_tmpdir/scmroot/xfce4-datetime-plugin'...
$ git reset --hard 8533604971a6d6d38fd787a46a5c063f93e4c9ce
HEAD is now at 8533604 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild